will romney walk away from nevada and iowa? it's all about taking the road to get to those 270 electoral votes. >> we saw it today, mr. obama in florida, romney in nevada and denver. we talked about the electoral college. what about the voters? >> for voters, it's all about what campaigns call the ground game. about three dozen states are now engaged in early voting already. both campaigns will do everything possible to get the votes out now, especially from those voters they think opposed to them. romney will go after seniors. obama will go after college students. romney will try to peel off at least 60% of the white vote. obama will work for about 80% of the nonwhite vote. as in the past, race will be a pervasive factor. they have each done a lot of data mining at this point. they know where the votes are. of course, the votes are no good unless the votes are cast. and this is the kind of struggle that will continue throughout the period right through election day. it's political, hand-to-hand combat and nothing less. >> we'r